﻿using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
namespace BWindingMachine
{
    public class FormScreen
    {
        const uint SHFS_SHOWTASKBAR = 0x0001;
        const uint SHFS_HIDETASKBAR = 0x0002;
        const uint SHFS_SHOWSIPBUTTON = 0x0004;
        const uint SHFS_HIDESIPBUTTON = 0x0008;
        const uint SHFS_SHOWSTARTICON = 0x0010;
        const uint SHFS_HIDESTARTICON = 0x0020;
        const int SW_HIDE = 0;
        const int SW_SHOWNORMAL = 1;
        const int SW_SHOWMINIMIZED = 2;
        const int SW_SHOWMAXIMIZED = 3;
        const int SW_SHOWNOACTIVATE = 4;
        const int SW_RESTORE = 9;
        const int SW_SHOWDEFAULT = 10;

        [DllImport("aygshell.dll")]
        private static extern uint SHFullScreen(IntPtr hwndRequester, uint dwState);

        [DllImport("coredll.dll")]
        private static extern IntPtr GetCapture();

        [DllImport("CoreDll")]
        private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        [DllImport("CoreDll")]
        private static extern bool ShowWindow(IntPtr hwnd, int nCmdShow);

        /// <summary>   
        /// 使程序全屏显示   
        /// </summary>   
        /// <param name="objForm"></param>   
        public static void ShowFullScreen(System.Windows.Forms.Form objForm)
        {
            objForm.Capture = true;
            HideHHTaskBar();
            IntPtr hwnd = GetCapture();
            objForm.Capture = false;
            SHFullScreen(hwnd, SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON | SHFS_HIDESTARTICON);//全屏化窗口   
        }

        /// <summary>   
        /// 显示任务栏   
        /// </summary>   
        public static void ShowHHTaskBar()
        {
            IntPtr lpClassName = FindWindow("HHTaskBar", null);
            ShowWindow(lpClassName, SW_SHOWNORMAL); //显示任务栏   
        }

        /// <summary>   
        /// 隐藏任务栏   
        /// </summary>   
        public static void HideHHTaskBar()
        {
            IntPtr lpClassName = FindWindow("HHTaskBar", null);
            ShowWindow(lpClassName, SW_HIDE); //隐藏任务栏   
        }


    }  
}
